PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0.437-10Cap,protective,dust and Moisture

Sinclair & Rush, Inc. Dba Sinclair & Rush Inc · NSN 5340-01-227-5837 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-227-5837 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-227-5837. Primary manufacturer part number: 0.437-10.
Features
  • Cap,protective,dust and Moisture — FSC 5340
  • Design Type: FRICTION
  • Round Cap Outside Surface Condition: SMOOTH
  • Inside Diameter Length: 0.760 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
  • Overall Diameter: 0.488 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
  • Material: PLASTIC
  • Tube Outside Diameter for Which Designed: 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
  • Material Document and Classification: L-P-390, TYPE 1, CLASS L, GRADE 1 OR GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE
Applications
  • Applications requiring Plastic construction
General Description

The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-227-5837, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sinclair & Rush, Inc. Dba Sinclair & Rush Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-227-5837
Primary Part Number0.437-10
Item NameCap,protective,dust and Moisture
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerSinclair & Rush, Inc. Dba Sinclair & Rush Inc
StatusCANCELLED
Design TypeFRICTION
Round Cap Outside Surface ConditionSMOOTH
Inside Diameter Length0.760 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
Overall Diameter0.488 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
MaterialPLASTIC
Tube Outside Diameter for Which Designed0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
Material Document and ClassificationL-P-390, TYPE 1, CLASS L, GRADE 1 OR GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
No Item Name Available
5340-00-597-4480NAS844-15 SUCCESSOR
Cap,protective,dust and Moisture
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-00-827-0802NAS844-11 SUCCESSOR
Cap,protective,dust and Moisture
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-00-993-4185NAS844-14 SUCCESSOR
Cap,protective,dust and Moisture
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-01-044-2675NAS844-13 SUCCESSOR
Cap,protective,dust and Moisture
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-01-082-3003NAS844-4 SUCCESSOR
Cap,protective,dust and Moisture
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-01-090-8911NAS844-23 SUCCESSOR
Cap,protective,dust and Moisture
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-01-107-7559NAS844-5 SUCCESSOR
Cap,protective,dust and Moisture
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-01-168-9786NAS844-28 SUCCESSOR
Cap,protective,dust and Moisture
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-01-170-6662NAS844-7 SUCCESSOR
Cap,protective,dust and Moisture
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
0.437-10 Sinclair & Rush, Inc. Dba Sinclair & Rush Inc (USA)
SC-7/16-8 Caplugs Llc Dba Mokon Div Caplugs (USA)
194-513-9011 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
M5501/9-F8 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-5501/9 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
7-0625 Molded Devices, Inc. Dba Mdi Div Molded Devices (USA)
1704-11 Pennwalt Corp S S White Industrial Products Div (USA)
Related Parts
5340-00-059-9560SUCCESSOR
NO ITEM NAME AVAILABLE
5340-00-597-4480SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-15
5340-00-827-0802SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-11
5340-00-993-4185SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-14
5340-01-044-2675SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-13
5340-01-082-3003SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-4
5340-01-090-8911SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-23
5340-01-107-7559SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-5
5340-01-168-9786SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-28
5340-01-170-6662SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-7
5340-01-192-6461SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-25
5340-01-208-7825SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-18

Frequently Asked Questions

What is NSN 5340-01-227-5837?

NSN 5340-01-227-5837 is a Cap,protective,dust and Moisture, manufactured by Sinclair & Rush, Inc. Dba Sinclair & Rush Inc, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-01-227-5837?

NSN 5340-01-227-5837 has 7 cross-referenced part numbers: 0.437-10 (Sinclair & Rush, Inc. Dba Sinclair & Rush Inc), SC-7/16-8 (Caplugs Llc Dba Mokon Div Caplugs), 194-513-9011 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix), M5501/9-F8 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-5501/9 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.

What NSN replaces 5340-01-227-5837?

There are 12 known substitutes for 5340-01-227-5837: 5340-00-059-9560, 5340-00-597-4480, 5340-00-827-0802 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0.437-10?

Key specifications for 0.437-10: Design Type: FRICTION; Round Cap Outside Surface Condition: SMOOTH; Inside Diameter Length: 0.760 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN; Overall Diameter: 0.488 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-01-227-5837 still in active supply?

NSN 5340-01-227-5837 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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